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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     string s;
  6.     cin >> s;
  7.     int n = s.length();
  8.     long long ans = 0;
  9.     for (int i = 0; i < n; i++) {
  10.         ans += s[i] - '0';
  11.     }
  12.     cout << ans;
  13.     return 0;
  14. }
Success #stdin #stdout 0s 4400KB
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https://ideone.com/cbRGlM
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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